Questions that present some scenario, and asks you to provide a solution that satisfies some requirement (example "Win within X turns", or "9 Queens without check/checkmate", or "MTG, deal X damage this turn")

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2
votes
0answers
59 views

Is there an error in equilibrio puzzle #45?

Is there an error in puzzle #45 of the game equilibrio? seems like the middle brick on the third line is turned incorrectly. thanks
1
vote
0answers
38 views

How to understand the given Preferans puzzle solution?

There is a Preferans problem: South chose crosses as the trump. How many tricks will get South? Part of the solution the author of problem proposes and that I can't understand is: Please help ...
0
votes
0answers
74 views

how to find that 8 number puzzle is solvable or not?

I'm working on 8 number puzzle, where 8 numbers are randomly generated and placed in 9 cell board. One cell at bottom right corner is kept empty where we can swap with adjacent (top-bottom-left-right) ...